Match list-I with list-II and select the correct option:
List-I (Species extinct)List-II (Cause of extinction)(a)Plants and animal species of tropical rain forest(i)Over exploitation(b)Passenger pigeon extinction(ii)Habitat loss(c)Extinction of cichlid fish in Victoria lake(iii)Co-extinction(d)Extinction of American chestnut trees and moths(iv)Alien Species invansion